[INFO] cloning repository https://github.com/andrewgazelka/rust-parallel [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewgazelka/rust-parallel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewgazelka%2Frust-parallel", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewgazelka%2Frust-parallel'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e3cec45bdd001d74feb3c56196d0b0e70143b2b3 [INFO] testing andrewgazelka/rust-parallel against beta-2026-04-21 for beta-1.96-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewgazelka%2Frust-parallel" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/andrewgazelka/rust-parallel [INFO] finished tweaking git repo https://github.com/andrewgazelka/rust-parallel [INFO] tweaked toml for git repo https://github.com/andrewgazelka/rust-parallel written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/andrewgazelka/rust-parallel on toolchain beta-2026-04-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/andrewgazelka/rust-parallel already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 354421a6df28bfcf8d521e9b2a21a624a9327274f1bcb8f967b4d21cc4b98470 [INFO] running `Command { std: "docker" "start" "-a" "354421a6df28bfcf8d521e9b2a21a624a9327274f1bcb8f967b4d21cc4b98470", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "354421a6df28bfcf8d521e9b2a21a624a9327274f1bcb8f967b4d21cc4b98470", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "354421a6df28bfcf8d521e9b2a21a624a9327274f1bcb8f967b4d21cc4b98470", kill_on_drop: false }` [INFO] [stdout] 354421a6df28bfcf8d521e9b2a21a624a9327274f1bcb8f967b4d21cc4b98470 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d57e965c5881eaf5711fa49f47f42f9a42ea69dc4e2fa26454da1eda1f2e7c01 [INFO] running `Command { std: "docker" "start" "-a" "d57e965c5881eaf5711fa49f47f42f9a42ea69dc4e2fa26454da1eda1f2e7c01", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling const_fn v0.4.5 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling itertools v0.10.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling rand_core v0.6.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.1 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling rust-parallel v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `max` and `min` [INFO] [stdout] --> src/main.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{max, min}; [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::prelude::ThreadRng` [INFO] [stdout] --> src/points.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::prelude::ThreadRng; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rayon::prelude::*` [INFO] [stdout] --> src/par_poly.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rayon::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `split` [INFO] [stdout] --> src/sort/bitonic.rs:5:57 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::sort::utils::{is_pow_2, sort_pair, SortType, split, split_mut}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `KMeans` is never used [INFO] [stdout] --> src/k_means.rs:11:11 [INFO] [stdout] | [INFO] [stdout] 11 | pub trait KMeans { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `NaiveKMeans` is never constructed [INFO] [stdout] --> src/k_means.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | struct NaiveKMeans { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/k_means.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 23 | impl NaiveKMeans { [INFO] [stdout] | ---------------- associated function in this implementation [INFO] [stdout] 24 | fn new(rdm: ThreadRng, iterations: usize) -> NaiveKMeans { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Point` is never constructed [INFO] [stdout] --> src/points.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Point { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `circle_rand` is never used [INFO] [stdout] --> src/points.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Point { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 11 | pub fn circle_rand(center_x: f64, center_y: f64, max_rad: f64) -> Point { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `point` is never used [INFO] [stdout] --> src/points.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn point(x: f64, y: f64) -> Point { Point { x, y } } [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Mean` is never used [INFO] [stdout] --> src/points.rs:26:11 [INFO] [stdout] | [INFO] [stdout] 26 | pub trait Mean { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Dist` is never used [INFO] [stdout] --> src/points.rs:30:11 [INFO] [stdout] | [INFO] [stdout] 30 | pub trait Dist { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Closest` is never used [INFO] [stdout] --> src/points.rs:35:11 [INFO] [stdout] | [INFO] [stdout] 35 | pub trait Closest { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `pref_sum_seq` is never used [INFO] [stdout] --> src/pref_sum_mod.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn pref_sum_seq(vec: &mut [i32], init_on: i32) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `pref_sum` is never used [INFO] [stdout] --> src/pref_sum_mod.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn pref_sum(vec: &mut [i32], threads: usize) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Sorter` is never used [INFO] [stdout] --> src/sort/mod.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | trait Sorter { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_sorted` is never used [INFO] [stdout] --> src/sort/utils.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn is_sorted(elems: &[i32]) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_pow_2` is never used [INFO] [stdout] --> src/sort/utils.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn is_pow_2(elem: usize) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `split` is never used [INFO] [stdout] --> src/sort/utils.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn split(input: &[i32]) -> (&[i32], &[i32]) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `split_mut` is never used [INFO] [stdout] --> src/sort/utils.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn split_mut(input: &mut [i32]) -> (&mut [i32], &mut [i32]) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `SortType` is never used [INFO] [stdout] --> src/sort/utils.rs:52:10 [INFO] [stdout] | [INFO] [stdout] 52 | pub enum SortType { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `neg` is never used [INFO] [stdout] --> src/sort/utils.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 57 | impl SortType { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] 58 | fn neg(&self) -> SortType { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sort_pair` is never used [INFO] [stdout] --> src/sort/utils.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn sort_pair(a: &mut i32, sort_type: SortType, b: &mut i32) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sort_pairs_of_2` is never used [INFO] [stdout] --> src/sort/utils.rs:78:8 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn sort_pairs_of_2(array: &mut [i32], sort_type: SortType) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `OddEvenMergeSort` is never constructed [INFO] [stdout] --> src/sort/even_odd.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct OddEvenMergeSort; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `odd_even_mergesort` is never used [INFO] [stdout] --> src/sort/even_odd.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn odd_even_mergesort(array: &mut [i32], log: bool) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `left_sample` is never used [INFO] [stdout] --> src/sort/even_odd.rs:65:4 [INFO] [stdout] | [INFO] [stdout] 65 | fn left_sample(arr: &[i32]) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `right_sample` is never used [INFO] [stdout] --> src/sort/even_odd.rs:71:4 [INFO] [stdout] | [INFO] [stdout] 71 | fn right_sample(arr: &[i32]) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `o_emerge` is never used [INFO] [stdout] --> src/sort/even_odd.rs:81:4 [INFO] [stdout] | [INFO] [stdout] 81 | fn o_emerge(a: &[i32], b: &[i32]) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BitonicSorter` is never constructed [INFO] [stdout] --> src/sort/bitonic.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | struct BitonicSorter; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bitonic_4_seq` is never used [INFO] [stdout] --> src/sort/bitonic.rs:61:4 [INFO] [stdout] | [INFO] [stdout] 61 | fn bitonic_4_seq(arr: &mut [i32]) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bitonic_4` is never used [INFO] [stdout] --> src/sort/bitonic.rs:72:4 [INFO] [stdout] | [INFO] [stdout] 72 | fn bitonic_4(a: &mut i32, b: &mut i32, c: &mut i32, d: &mut i32) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `merge_helper` is never used [INFO] [stdout] --> src/sort/bitonic.rs:77:4 [INFO] [stdout] | [INFO] [stdout] 77 | fn merge_helper(arr: &mut [i32], order: SortType) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `cmp_exchange` is never used [INFO] [stdout] --> src/sort/bitonic.rs:87:4 [INFO] [stdout] | [INFO] [stdout] 87 | fn cmp_exchange(arr: &mut [i32], stride: usize) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bitonic_merge` is never used [INFO] [stdout] --> src/sort/bitonic.rs:95:4 [INFO] [stdout] | [INFO] [stdout] 95 | fn bitonic_merge(arr: &mut [i32], stride: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.33s [INFO] running `Command { std: "docker" "inspect" "d57e965c5881eaf5711fa49f47f42f9a42ea69dc4e2fa26454da1eda1f2e7c01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d57e965c5881eaf5711fa49f47f42f9a42ea69dc4e2fa26454da1eda1f2e7c01", kill_on_drop: false }` [INFO] [stdout] d57e965c5881eaf5711fa49f47f42f9a42ea69dc4e2fa26454da1eda1f2e7c01 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] db0d0f281be946e4ab9d1efd02769980837f2330f0ccbce6dcb255b10da491e4 [INFO] running `Command { std: "docker" "start" "-a" "db0d0f281be946e4ab9d1efd02769980837f2330f0ccbce6dcb255b10da491e4", kill_on_drop: false }` [INFO] [stderr] Compiling rust-parallel v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `max` and `min` [INFO] [stdout] --> src/main.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{max, min}; [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::prelude::ThreadRng` [INFO] [stdout] --> src/points.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::prelude::ThreadRng; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rayon::prelude::*` [INFO] [stdout] --> src/par_poly.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rayon::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `split` [INFO] [stdout] --> src/sort/bitonic.rs:5:57 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::sort::utils::{is_pow_2, sort_pair, SortType, split, split_mut}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `point` is never used [INFO] [stdout] --> src/points.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn point(x: f64, y: f64) -> Point { Point { x, y } } [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `dist` is never used [INFO] [stdout] --> src/points.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 30 | pub trait Dist { [INFO] [stdout] | ---- method in this trait [INFO] [stdout] 31 | fn dist(&self, other: &Self) -> f64; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `pref_sum_seq` is never used [INFO] [stdout] --> src/pref_sum_mod.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn pref_sum_seq(vec: &mut [i32], init_on: i32) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `pref_sum` is never used [INFO] [stdout] --> src/pref_sum_mod.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn pref_sum(vec: &mut [i32], threads: usize) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `neg` is never used [INFO] [stdout] --> src/sort/utils.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 57 | impl SortType { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] 58 | fn neg(&self) -> SortType { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `OddEvenMergeSort` is never constructed [INFO] [stdout] --> src/sort/even_odd.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct OddEvenMergeSort; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.13s [INFO] running `Command { std: "docker" "inspect" "db0d0f281be946e4ab9d1efd02769980837f2330f0ccbce6dcb255b10da491e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db0d0f281be946e4ab9d1efd02769980837f2330f0ccbce6dcb255b10da491e4", kill_on_drop: false }` [INFO] [stdout] db0d0f281be946e4ab9d1efd02769980837f2330f0ccbce6dcb255b10da491e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 971ed372f6e2251902d92dc6e3a978a8e547c5d26c4a6afc270ce2b90d3bdc3b [INFO] running `Command { std: "docker" "start" "-a" "971ed372f6e2251902d92dc6e3a978a8e547c5d26c4a6afc270ce2b90d3bdc3b", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `max` and `min` [INFO] [stderr] --> src/main.rs:1:16 [INFO] [stderr] | [INFO] [stderr] 1 | use std::cmp::{max, min}; [INFO] [stderr] | ^^^ ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::prelude::ThreadRng` [INFO] [stderr] --> src/points.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use rand::prelude::ThreadRng; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rayon::prelude::*` [INFO] [stderr] --> src/par_poly.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use rayon::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `split` [INFO] [stderr] --> src/sort/bitonic.rs:5:57 [INFO] [stderr] | [INFO] [stderr] 5 | use crate::sort::utils::{is_pow_2, sort_pair, SortType, split, split_mut}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `point` is never used [INFO] [stderr] --> src/points.rs:24:8 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn point(x: f64, y: f64) -> Point { Point { x, y } } [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: method `dist` is never used [INFO] [stderr] --> src/points.rs:31:8 [INFO] [stderr] | [INFO] [stderr] 30 | pub trait Dist { [INFO] [stderr] | ---- method in this trait [INFO] [stderr] 31 | fn dist(&self, other: &Self) -> f64; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `pref_sum_seq` is never used [INFO] [stderr] --> src/pref_sum_mod.rs:5:4 [INFO] [stderr] | [INFO] [stderr] 5 | fn pref_sum_seq(vec: &mut [i32], init_on: i32) { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `pref_sum` is never used [INFO] [stderr] --> src/pref_sum_mod.rs:15:8 [INFO] [stderr] | [INFO] [stderr] 15 | pub fn pref_sum(vec: &mut [i32], threads: usize) { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `neg` is never used [INFO] [stderr] --> src/sort/utils.rs:58:8 [INFO] [stderr] | [INFO] [stderr] 57 | impl SortType { [INFO] [stderr] | ------------- method in this implementation [INFO] [stderr] 58 | fn neg(&self) -> SortType { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `OddEvenMergeSort` is never constructed [INFO] [stderr] --> src/sort/even_odd.rs:9:12 [INFO] [stderr] | [INFO] [stderr] 9 | pub struct OddEvenMergeSort; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `rust-parallel` (bin "rust-parallel" test) generated 10 warnings (run `cargo fix --bin "rust-parallel" -p rust-parallel --tests` to apply 4 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_parallel-8c5327375d6cd696) [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test sort::even_odd::tests::left_sample_works ... ok [INFO] [stdout] test sort::even_odd::tests::merge_sort_works ... ok [INFO] [stdout] test sort::bitonic::tests::lecture_one_shot ... ok [INFO] [stdout] test sort::utils::tests::it_works ... ok [INFO] [stdout] test sort::bitonic::tests::lecture_example_works ... ok [INFO] [stdout] test sort::even_odd::tests::right_sample_works ... ok [INFO] [stdout] test sort::even_odd::tests::homework ... ok [INFO] [stdout] test sort::bitonic::tests::homework ... ok [INFO] [stdout] test sort::even_odd::tests::merge_works ... ok [INFO] [stdout] test sort::bitonic::tests::random_vec ... FAILED [INFO] [stderr] error: test failed, to rerun pass `--bin rust-parallel` [INFO] [stdout] test k_means::kmeans_test::test_kmeans_circle ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- sort::bitonic::tests::random_vec stdout ---- [INFO] [stdout] [-2054068061, -1967967419, -1961093035, -1680330569, -1939203623, -1791957059, -1487978637, -1016888978, -544911510, -383139395, 186012421, 276627340, -192927065, 931076475, 975288778, 995978540] [INFO] [stdout] [INFO] [stdout] thread 'sort::bitonic::tests::random_vec' (24) panicked at src/sort/bitonic.rs:150:9: [INFO] [stdout] assertion failed: is_sorted(&arr) [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55b5218cbeda - std[128c3efe2914e152]::backtrace_rs::backtrace::libunwind::trace [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x55b5218cbeda - std[128c3efe2914e152]::backtrace_rs::backtrace::trace_unsynchronized:: [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x55b5218cbeda - std[128c3efe2914e152]::sys::backtrace::_print_fmt [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:74:9 [INFO] [stdout] 3: 0x55b5218cbeda - <::print::DisplayBacktrace as core[6771d259883166e6]::fmt::Display>::fmt [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:44:26 [INFO] [stdout] 4: 0x55b5218e06ca - ::fmt [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/fmt/rt.rs:152:76 [INFO] [stdout] 5: 0x55b5218e06ca - core[6771d259883166e6]::fmt::write [INFO] [stdout] 6: 0x55b5218d09e2 - std[128c3efe2914e152]::io::default_write_fmt::> [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:621:11 [INFO] [stdout] 7: 0x55b5218d09e2 - as std[128c3efe2914e152]::io::Write>::write_fmt [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:1976:13 [INFO] [stdout] 8: 0x55b5218aa8ef - ::print [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:47:9 [INFO] [stdout] 9: 0x55b5218aa8ef - std[128c3efe2914e152]::panicking::default_hook::{closure#0} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:292:27 [INFO] [stdout] 10: 0x55b5218c3eb9 - std[128c3efe2914e152]::panicking::default_hook [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:316:9 [INFO] [stdout] 11: 0x55b5217d590c - core[6771d259883166e6]::ops::function::Fn<(&'a std[128c3efe2914e152]::panic::PanicHookInfo<'b>,), Output = ()> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::marker::Send> as core[6771d259883166e6]::ops::function::Fn<(&std[128c3efe2914e152]::panic::PanicHookInfo,)>>::call [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/alloc/src/boxed.rs:2263:9 [INFO] [stdout] 12: 0x55b5217d590c - test[b137923399915ecf]::test_main_with_exit_callback::::{closure#0} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x55b5218c4132 - core[6771d259883166e6]::ops::function::Fn<(&'a std[128c3efe2914e152]::panic::PanicHookInfo<'b>,), Output = ()> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::marker::Send> as core[6771d259883166e6]::ops::function::Fn<(&std[128c3efe2914e152]::panic::PanicHookInfo,)>>::call [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/alloc/src/boxed.rs:2263:9 [INFO] [stdout] 14: 0x55b5218c4132 - std[128c3efe2914e152]::panicking::panic_with_hook [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:833:13 [INFO] [stdout] 15: 0x55b5218aa9da - std[128c3efe2914e152]::panicking::panic_handler::{closure#0} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:691:13 [INFO] [stdout] 16: 0x55b52189fb89 - std[128c3efe2914e152]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:182:18 [INFO] [stdout] 17: 0x55b5218ab6bd - __rustc[752cc74e29381ccc]::rust_begin_unwind [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:689:5 [INFO] [stdout] 18: 0x55b5218e0e5c - core[6771d259883166e6]::panicking::panic_fmt [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panicking.rs:80:14 [INFO] [stdout] 19: 0x55b5218e0e22 - core[6771d259883166e6]::panicking::panic [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panicking.rs:150:5 [INFO] [stdout] 20: 0x55b5217b345d - rust_parallel::sort::bitonic::tests::random_vec::h536d6ddab85072bb [INFO] [stdout] at /opt/rustwide/workdir/src/sort/bitonic.rs:150:9 [INFO] [stdout] 21: 0x55b5217b34a7 - rust_parallel::sort::bitonic::tests::random_vec::{{closure}}::hb1429491d860ddd7 [INFO] [stdout] at /opt/rustwide/workdir/src/sort/bitonic.rs:146:20 [INFO] [stdout] 22: 0x55b5217b9876 - core::ops::function::FnOnce::call_once::h644130d877024da0 [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x55b5217c9a0b - core[6771d259883166e6]::result::Result<(), alloc[fef50e8eecedd288]::string::String> as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x55b5217c9a0b - test[b137923399915ecf]::__rust_begin_short_backtrace::, fn() -> core[6771d259883166e6]::result::Result<(), alloc[fef50e8eecedd288]::string::String>> [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:663:18 [INFO] [stdout] 25: 0x55b5217d63db - test[b137923399915ecf]::run_test_in_process::{closure#0} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:686:74 [INFO] [stdout] 26: 0x55b5217d63db - as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panic/unwind_safe.rs:275:9 [INFO] [stdout] 27: 0x55b5217d63db - std[128c3efe2914e152]::panicking::catch_unwind::do_call::, core[6771d259883166e6]::result::Result<(), alloc[fef50e8eecedd288]::string::String>> [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:581:40 [INFO] [stdout] 28: 0x55b5217d63db - std[128c3efe2914e152]::panicking::catch_unwind::, core[6771d259883166e6]::panic::unwind_safe::AssertUnwindSafe> [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:544:19 [INFO] [stdout] 29: 0x55b5217d63db - std[128c3efe2914e152]::panic::catch_unwind::, core[6771d259883166e6]::result::Result<(), alloc[fef50e8eecedd288]::string::String>> [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14 [INFO] [stdout] 30: 0x55b5217d63db - test[b137923399915ecf]::run_test_in_process [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:686:27 [INFO] [stdout] 31: 0x55b5217d63db - test[b137923399915ecf]::run_test::{closure#0} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:607:43 [INFO] [stdout] 32: 0x55b5217d0834 - test[b137923399915ecf]::run_test::{closure#1} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:637:41 [INFO] [stdout] 33: 0x55b5217d0834 - std[128c3efe2914e152]::sys::backtrace::__rust_begin_short_backtrace:: [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:166:18 [INFO] [stdout] 34: 0x55b5217d8fe2 - std[128c3efe2914e152]::thread::lifecycle::spawn_unchecked::::{closure#1}::{closure#0} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/thread/lifecycle.rs:91:13 [INFO] [stdout] 35: 0x55b5217d8fe2 - ::{closure#1}::{closure#0}> as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panic/unwind_safe.rs:275:9 [INFO] [stdout] 36: 0x55b5217d8fe2 - std[128c3efe2914e152]::panicking::catch_unwind::do_call::::{closure#1}::{closure#0}>, ()> [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:581:40 [INFO] [stdout] 37: 0x55b5217d8fe2 - std[128c3efe2914e152]::panicking::catch_unwind::<(), core[6771d259883166e6]::panic::unwind_safe::AssertUnwindSafe::{closure#1}::{closure#0}>> [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:544:19 [INFO] [stdout] 38: 0x55b5217d8fe2 - std[128c3efe2914e152]::panic::catch_unwind::::{closure#1}::{closure#0}>, ()> [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14 [INFO] [stdout] 39: 0x55b5217d8fe2 - std[128c3efe2914e152]::thread::lifecycle::spawn_unchecked::::{closure#1} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/thread/lifecycle.rs:89:26 [INFO] [stdout] 40: 0x55b5217d8fe2 - ::{closure#1} as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x55b5218cb7af - + core[6771d259883166e6]::marker::Send> as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/alloc/src/boxed.rs:2249:9 [INFO] [stdout] 42: 0x55b5218cb7af - ::new::thread_start [INFO] [stdout] at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/thread/unix.rs:118:17 [INFO] [stdout] 43: 0x7b4c7ef97aa4 - [INFO] [stdout] 44: 0x7b4c7f024a64 - clone [INFO] [stdout] 45: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] sort::bitonic::tests::random_vec [INFO] [stdout] [INFO] [stdout] test result: FAILED. 10 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "971ed372f6e2251902d92dc6e3a978a8e547c5d26c4a6afc270ce2b90d3bdc3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "971ed372f6e2251902d92dc6e3a978a8e547c5d26c4a6afc270ce2b90d3bdc3b", kill_on_drop: false }` [INFO] [stdout] 971ed372f6e2251902d92dc6e3a978a8e547c5d26c4a6afc270ce2b90d3bdc3b